PWN-Hunter/android_kernel_xiaomi_sdm845
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[PATCH] uml: fix timer initialization

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In skas mode, the call to uml_idle_timer permanently shut off the virtual
timer, resulting in no timer ticks to anything but the idle thread.  This is
likely the cause of the soft lockups that are seen sporadically in recent
UMLs.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jeff Dike 2005-06-25 14:55:22 -07:00 committed by Linus Torvalds
parent e0877f07e8
commit a6f4e3cf75
2 changed files with 1 additions and 2 deletions
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2
arch/um/kernel/process_kern.c
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@ -169,7 +169,7 @@ int current_pid(void)
void default_idle(void)
{
uml_idle_timer();
CHOOSE_MODE(uml_idle_timer(), (void) 0);
atomic_inc(&init_mm.mm_count);
current->mm = &init_mm;

1
arch/um/kernel/skas/process_kern.c
View File

@ -180,7 +180,6 @@ int start_uml_skas(void)
start_userspace(0);
init_new_thread_signals(1);
uml_idle_timer();
init_task.thread.request.u.thread.proc = start_kernel_proc;
init_task.thread.request.u.thread.arg = NULL;